Gua Sha Side Effects: Bruising, Redness and Who Should Skip It

The most common gua sha side effects are temporary redness, small red or purple dots (petechiae), bruising, irritation and breakouts, and on the face almost all of them come from too much pressure, a dirty tool or using it on skin that shouldn’t be massaged. Facial gua sha done gently is generally low-risk, and it should never hurt or leave marks. Some people should skip it or ask a clinician first, including anyone on blood thinners, with a bleeding disorder, with a skin flare, or with recent injectables or facial surgery.

This is general information, not medical advice: if you have a health condition or a question about your own skin, ask your doctor, dermatologist or clinician.

Is gua sha safe?

For most people, facial gua sha is a low-risk self-massage as long as you keep the pressure light and the skin you work on is healthy. The problems people run into almost always trace back to pressing too hard, scrubbing the same spot, using a dry or dirty stone, or massaging skin that is broken, inflamed or recently treated.

Two practices share the name. Traditional body gua sha, usually done by a practitioner on the back, shoulders or neck, uses firm strokes and is meant to raise red marks. Facial gua sha is a gentle adaptation with light, outward strokes. Our complete guide to gua sha explains the difference.

So is gua sha good or bad? Neither on its own: used gently on healthy skin it is relaxing; used too hard, it can leave marks.

Common gua sha side effects

Most side effects of facial gua sha are mild and temporary, and most are avoidable. Here is what people tend to notice.

• Temporary redness. A light pink flush that fades within minutes is a normal response to massage. Redness that lasts for hours means the session was too firm or too long.
• Petechiae and bruising. Tiny flat red, purple or brown dots, or a larger bruise, mean small blood vessels near the surface have leaked a little blood under the skin. On the body this is expected; on the face it is a sign to ease off.
• Irritation. Stinging, rawness or a rash-like look usually comes from dragging a dry stone, scrubbing back and forth, or massaging over skin that was already irritated.
• Breakouts. A stone that isn’t cleaned between sessions, a shared tool, or a heavy oil that doesn’t suit your skin can all play a part in new spots.
• Broken capillaries. Some people worry that repeated firm pressure could leave small visible red vessels on the face. There is little research on this for facial gua sha, but it is one more reason to keep the pressure light and stop if you see marks.

The Cleveland Clinic’s overview of gua sha notes that scraping too aggressively can cause soreness, bruising or skin discoloration.

Why gua sha bruises and how to avoid it

Gua sha bruises happen when the pressure is high enough to break tiny blood vessels near the skin’s surface. On the body, that is the point. Petechiae are pinpoint spots of bleeding under the skin; unlike a rash, they don’t fade when you press on them, as the Cleveland Clinic explains.

A small 2007 pilot study found that firm body gua sha sharply raised surface blood flow in the treated area of 11 healthy people for a short time (Nielsen et al., 2007). That was body treatment, not gentle facial massage, and says nothing about long-term effects.

Facial skin is more delicate and marks easily. The usual causes, and the fixes:

• Too much pressure. Use light pressure everywhere, and the lightest of all under the eyes and over the front of the neck. It should feel like a massage, never a scrape.
• The stone held too upright. An upright edge digs in. Hold the stone almost flat, roughly 15 to 45 degrees to the skin.
• Too many strokes on one spot. Three to five strokes per area are plenty. Move on rather than going over the same patch again and again.
• Not enough oil. A dry stone drags and tugs. Add more oil or serum as soon as it stops gliding.
• Scrubbing back and forth. Glide in one direction, outward or upward, and lift the stone at the end of each stroke.

Our step-by-step gua sha routine shows the angle, pressure and stroke order for each area, and the gua sha neck guide covers the parts of the neck to keep especially gentle.

Skip it or ask a clinician first if…

Some situations call for skipping gua sha or getting a clinician’s okay before you start. This list matches the safety advice in our gua sha guide.

Skip the area, or skip gua sha for now, if you have:

• Broken or irritated skin: cuts, scratches, a rash, a recent peel or sunburn.
• Active acne breakouts or infected spots. A stone can spread bacteria and aggravate inflamed skin.
• A flare of rosacea, eczema or another inflammatory skin condition. The American Academy of Dermatology advises people with rosacea to avoid rubbing or scrubbing the face (AAD rosacea skin care tips).
• Cold sores or any other skin infection on the face.

Ask your doctor, dermatologist or treating clinician first if you:

• Take blood thinners, bruise easily, or have a bleeding or clotting disorder. The Cleveland Clinic article lists blood thinners such as aspirin or apixaban, as well as circulation problems, diabetes and certain skin conditions, among reasons gua sha may not be a good fit.
• Have had fillers, Botox or another injectable treatment recently.
• Have had facial surgery, a laser treatment or another in-clinic procedure recently.
• Are pregnant. Skin can be more sensitive, and your midwife or doctor knows your history.
• Have unexplained swelling, a lump, or a change in your skin you haven’t had checked. Gua sha is not a way to massage these away.

Case reports are a reminder that symptoms need a doctor, not a stone: one 2013 report describes a young man who developed neck bruising and acute epiglottitis, a serious throat infection, following firm gua sha for a sore throat (Tsai and Wang, 2013). A single case can’t show how common problems are.

Gua sha after Botox or fillers

After any injectable treatment, ask the person who treated you before you use gua sha anywhere near the area. The American Academy of Dermatology’s botulinum toxin FAQs advise not rubbing or massaging injection sites, so the product doesn’t spread to areas where it isn’t wanted.

Waiting periods quoted online vary, so we don’t give one here. Your injector knows what was used and where, and can tell you when to start again. The same applies to fillers, peels, laser treatments and facial surgery. When you restart, use very light strokes and avoid any area that is still tender or swollen.

How often should you gua sha?

Gentle gua sha can be part of your everyday routine once your skin is used to it, but more often or longer is not better. A sensible pattern:

• Starting out: about three sessions a week, 5 to 10 minutes each.
• Once your skin is comfortable: most days is fine for many people, as long as your skin stays calm.
• Each session: three to five strokes per area.

Take a few days off if you notice lasting redness, tenderness, new breakouts or marks. For realistic expectations, see our article on whether gua sha works.

What to do if you bruise

If gua sha leaves a bruise or dots on your face, stop using it on that area and let your skin heal before you try again, more gently. Most minor bruises fade on their own.

1. Stop. Don’t massage over the bruise or the dots. Leave that area alone until the skin looks normal again.
2. Cool it. For a fresh bruise, the Mayo Clinic’s bruise first-aid advice suggests an ice pack wrapped in a towel for about 20 minutes at a time over the first day or two. Never put ice straight on the skin.
3. Change your technique. When you restart, use more oil, hold the stone flatter, use lighter pressure and fewer strokes.
4. Watch for warning signs. See a doctor if you bruise very easily, if bruises appear without a clear reason, are large or painful, or come with unusual bleeding, as the Mayo Clinic’s page on easy bruising explains. Don’t stop any prescribed medicine on your own; talk to your doctor instead.

If tiny dots spread quickly, appear where you haven’t used the stone, or come with other symptoms, get medical advice promptly.

Keep your gua sha tool clean

A clean stone and clean skin prevent most breakouts and irritation. A few simple habits:

• Start with a clean face and clean hands.
• Wash the stone after every use with warm water and a mild soap, then dry it with a soft cloth.
• Don’t share your tool. The American Academy of Dermatology notes that sharing makeup and applicators can spread bacteria and oil from other people’s skin (AAD acne habits); the same logic applies to a gua sha stone.
• Check for chips and cracks. A chipped edge can scratch the skin, so replace a damaged stone. Our comparison of stainless steel, jade and rose quartz covers how materials differ in care, and the guide to choosing a gua sha stone covers shapes.
• Pick an oil that suits your skin. If you’re prone to breakouts, a lightweight, non-comedogenic oil is a sensible choice.

Learn gentle gua sha with Gluvy

Learn gentle pressure by watching it: Gluvy’s gua sha video courses show every stroke. The app includes about 34 guided gua sha and facial-massage routines, from jawline and cheek strokes to neck and morning de-puffing routines, with a timer on every step so you don’t overdo it. Before you start, the app’s “Guasha Introduction” article course includes a Gua Sha Tips & Precautions lesson. If you also do facial exercises, our guide to face yoga side effects covers the same kind of safe-practice questions.

Sources

• Cleveland Clinic. “Gua Sha: What It Is and How To Do It.” health.clevelandclinic.org
• Cleveland Clinic. “Petechiae.” my.clevelandclinic.org
• Nielsen A. et al. “The effect of Gua Sha treatment on the microcirculation of surface tissue: a pilot study in healthy subjects.” Explore, 2007. PubMed
• Tsai K.K., Wang C.H. “Acute epiglottitis following traditional Chinese gua sha therapy.” CMAJ, 2013. PubMed
• American Academy of Dermatology. “Botulinum toxin therapy: FAQs.” aad.org
• American Academy of Dermatology. “7 rosacea skin care tips dermatologists recommend.” aad.org
• American Academy of Dermatology. “10 skin care habits that can worsen acne.” aad.org
• Mayo Clinic. “Bruise: First aid.” mayoclinic.org
• Mayo Clinic. “Easy bruising: Why does it happen?” mayoclinic.org